Scientific study: Reducing sugar in the first 1,000 days of life may protect against diabetes and dementia

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A group of recent studies have revealed that reducing exposure to sugar during the first 1,000 days of a person’s life, starting from pregnancy until approximately two years of age, may have positive health effects that extend for more than seven decades, according to what was reported by the British newspaper “The Guardian”.

The researchers relied on what they described as a "unique natural experiment" that arose in the United Kingdom during the period after World War II, when sugar was still subject to the government rationing system. Adults were allowed to consume about 40 grams of sugar per day, while the portions allocated to children were much less, and at a time when infants and young children consumed very limited amounts of added sugar or completely abstained from it.

Dr. Jiajin Cheng, from the Hong Kong University of Science and Technology, said that the end of sugar rationing in September 1953 created a rare research opportunity, because the change in sugar consumption occurred suddenly and on a large population scale as a result of government decisions, and not because of individual choices.

Recent studies have used British Biobank data to compare the health status of people born before and after legalization ended. The results showed that individuals who were exposed to a low-sugar environment during the first 1,000 days of their lives had a 35% lower risk of developing type 2 diabetes, and a 20% lower risk of developing high blood pressure, compared to those who were not exposed to rationing.

The first results were published in the journal Science, where researchers explained that the positive effects were not limited to diabetes and blood pressure, but rather extended to a wide range of chronic diseases.

In recent months, additional studies have linked reduced early exposure to sugar to lower risks of cardiovascular disease, liver disease, respiratory problems, and dementia, in addition to indicators of biological aging.

Dr. Cheng noted that what most interested researchers was the consistency of results across different body systems, which reinforces the hypothesis that early nutrition plays a pivotal role in determining long-term health.

One study also found that people who lived the first 1,000 days of their lives under sugar rationing were 33% less likely to suffer from anxiety than those born after the end of rationing.

In another development, recent research that is still under peer review suggests that reduced sugar consumption in the early stages of life may also mitigate the effect of genes associated with overweight and obesity.

Researcher Tadeja Gratschner, from the University of Southern California, believes that nutrition in the early years can affect a number of vital pathways related to metabolic programming, insulin sensitivity, appetite regulation, and feelings of satiety, as well as the growth of adipose tissue.

These findings reinforce the growing evidence that nutritional habits early in life not only influence children's development, but may also shape their physical and psychological health for many decades to come.